Jatropha Curcas is gaining significance as the need of fossil fuels increases greatly and also jatropha curcas is an eco-friendly energy plantation. Plantation of this plant is thought about to be an exceptional fuel replacement and it is likewise very economical compared to other fuels. Recently, Jatropha is facing some difficulty with pests and diseases. The insects are classified into 2 ranges: Pest that affect young plants and Pest that impact developed plants.
Young plant bugs: Cutworm, Scarabeid Beetle, Army worm, Grasshopper.
Agrotis ipsilon: It is commonly called Cut worm. This pest affects the seedlings and young Jatropha plants. If the plant is affected by the cutworm, the stem gets cut nearer to the soil surface area and this will shrunk the plant totally.
Control: This bug can be managed by choosing the larva found around the plants or by blending the bran, sawdust with insecticides.
Scarabaeid Beetle: This insect ruins the root of the young plant. Initially, the larva consumes the organic matters present in the soil and then concerns the root. The larva attack might eliminate the entire plant.
Control: The plant with good resistance power can conquer the pest. For heavy attack, insecticides with parts carbosulfan and carbofuran can be used to eliminate the insect.
Army worm: Spodoptera litura presence can be determined by biting in the leaves. The serious infection could entirely kill the plants.
Control: Insecticides are used to control the pests.
Grasshopper: This prevails pest discovered in numerous plants. Valanga nigricornis and Locusta migratoria extensively assaults the plant. The insect often attacks the young plant.
Control: The insecticides utilized betacyfluthrin, cypermethrin, thiodicarb, MIPC, and fipronil.
Pest observed in mature plants:
Pest of Stem: Ostrinia furnacalis, Xyleborus spp.
Ostrinia furnacalis and Xyleborus: This insect damages the jatropha curcas stem and it is commonly seen in Indonesia. The stem assaulted by this insect generally drop. The existence can be determined by the larva penetration hole at the stem.
Control: The Insecticide normally utilized to manage this insect is carbofuran.
Pest of leaf: The common bugs observed are leaf caterpillar, Neetle caterpillar, Leaf hopper, Mite, Ear corn caterpillar.
Leaf Caterpillar: This pest can consume all the leaves of the plant simply put period. The quality and yield of the seeds get reduced due to the heavy attack.
Control: This can be managed by selecting the old larvae around the surface and discarding the attacked leaves.
Needle Caterpillar: This caterpillar is covered with spines and produces a burning sensation when allowed to call with skin as it produces certain chemical compound. Initially the bug crowded in the leaf and after that spread out all over the plant when it grows older.
Control: Manually, the bug can be eliminated just by soaking it in water or kerosene. The heavy attack can be controlled by spraying organophosphate insecticides.
Leaf Hopper: This pest is discovered primarily in tropical and subtropical regions. The pest targets the leaf and sucks all the nutrients of the leaf and gets curls at the tip. Later, the entire leaf dry and pass away.
Control: The heavy attack can be managed by utilizing insecticides like imidachloprid, beta cyfluthrin or carbosulfan.
Mite: Mite likewise assaults the leaf and makes the entire plant weak. The pest existence can be determined when the leaf ended up being yellowish, shrinks, turns red and drop. The pest can likewise be spread out through fallen leaves.
Control: Some preventive measures can be simulated appropriate sanitation and burning the fallen leaves. Heavy attack can be dealt with by spraying insecticides.
Some dreadful bug which assaults flower and fruit are, Stink bug (Nezara viridula)
Chrysocoris javanus, Tip borer caterpillar.
Stink Bug: Sting bug is a serious insect which assaults the plant throughout bloom period so the crop yield entirely drops. This bug is seen around the tropical area.
The harmful enzyme in the plant diminishes the entire plant.
Control: Insecticides recommended for this insect is chlorfluazuron, diflubenzuron, alfamethrin, and lamda cyhalothrin.
Tip borer caterpillar: The bugs typically occurs attacks the plant in blooming season and this bug is seen widely in tropical areas. The female bug laid the eggs on the tender part of the plant and the young larvae feed the young fruits and plant ideas.
Control: Manually, the attacked seeds are recommended to burn. The insecticides like monocrotophos and bensultap are sprayed at the flowering season.
1
Pests Of Jatropha
Luann Colvin edited this page 3 days ago